package chapter03;

public class IntDetail {

	//编写一个main方法
	public static void main(String[] args) {

		//Java的整型常量（具体值）默认为 int 型，声明long型常量须后加‘l’或‘L’
		int n1 = 1;//4个字节
		//int n2 = 1L;//对不对?不对
		long n3 = 1L;//对

	}
}